20293806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4909}}^1$

素因数の和:4980

約数の個数: 32

約数和(自身を含む): 44543520

約数和(自身を除く): 24249714

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4909, 9818, 14727, 29454, 63817, 127634, 191451, 260177, 382902, 520354, 780531, 1561062, 3382301, 6764602, 10146903, 20293806]

約数ペア:

[(1, 20293806), (2, 10146903), (3, 6764602), (6, 3382301), (13, 1561062), (26, 780531), (39, 520354), (53, 382902), (78, 260177), (106, 191451), (159, 127634), (318, 63817), (689, 29454), (1378, 14727), (2067, 9818), (4134, 4909)]